PWM to EWR flight delays & on-time performance
Nonstop flights from Portland International Jetport to Newark Liberty International Airport · 284 miles · Aug 2025 – Jul 2026
No FAA-reported ground stops or delays at PWM or EWR right now. Individual flights can still be delayed by the airline; check with your airline for your flight.
Key facts
- Flights from Portland (PWM) to Newark (EWR) arrived on time 83% of the time in Aug 2025 – Jul 2026, better than the 78% national average.
- 3.7% were cancelled, and 7% arrived an hour or more late.
- United Airlines was the most punctual airline here (86% on time); Republic Airways was the least (83%).
- Departures scheduled around 8am did best (99% on time); around 8pm did worst (73%).
- Wednesday was the most reliable day to fly (87% on time) and Monday the least (79%).
- The largest source of delay minutes was air traffic control & airport congestion (51%).
Which airline is most on time from PWM to EWR?
Ranked by on-time arrival rate. Regional airlines fly under their partner's brand (e.g. SkyWest for Delta Connection or United Express).
| Airline | On time | Cancelled | Avg delay | 1 hr+ late | Flights |
|---|---|---|---|---|---|
| United Airlines | 86% | 3.3% | 15 min | 6.0% | 121 |
| Republic AirwaysRegional airline operating flights for American Eagle, Delta Connection and United Express. | 83% | 3.7% | 16 min | 6.8% | 961 |
Best time of day to fly
On-time arrival rate by scheduled departure hour (local time).
- 5am92%13 flights
- 6am88%313 flights
- 7am85%35 flights
- 8am99%72 flights
- 10am79%176 flights
- 11am89%55 flights
- 2pm73%25 flights
- 3pm80%228 flights
- 5pm69%26 flights
- 6pm67%12 flights
- 7pm83%48 flights
- 8pm73%71 flights
Best day of the week
On-time arrival rate by day of departure.
- Monday79%4.3% cancelled
- Tuesday86%4.8% cancelled
- Wednesday87%2.0% cancelled
- Thursday85%2.4% cancelled
- Friday84%1.2% cancelled
- Saturday80%3.3% cancelled
- Sunday82%8.0% cancelled
On-time trend by month
Why flights are late
Share of delay minutes by cause, as reported by airlines to the DOT.
- Air traffic control & airport congestion51%
- Late-arriving aircraft24%
- Airline (crew, maintenance, cleaning, fueling)23%
- Extreme weather2%
- Security0%
Why flights are cancelled
Share of cancellations by reason.
- Extreme weather75%
- Air traffic control & airport congestion20%
- Airline (crew, maintenance, cleaning, fueling)5%
- Security0%
PWM to EWR: common questions
- How often are PWM to EWR flights on time?
- 83% of flights arrived less than 15 minutes late in Aug 2025 – Jul 2026, compared with 78% for all US flights.
- How often are flights from Portland to Newark cancelled?
- 3.7% of scheduled flights were cancelled (40 of 1,082).
- How long are typical delays?
- Across all flights the average arrival delay was 16 min (early arrivals count as zero). Flights that were late arrived 91 min behind schedule on average, and 6.7% of flights were an hour or more late.
- How long is taxi time at PWM?
- Flights on this route spent 21 min taxiing from the gate to takeoff on average.
Related routes
Return trip: EWR to PWM — 83% on time
More flights from Portland
Data: U.S. DOT Bureau of Transportation Statistics, Aug 2025 – Jul 2026 (12 months). Latest month published by BTS: July 2026. Route: PWM → EWR, nonstop flights by US airlines that report to the DOT. How we calculate this.